40031401 has 2 divisors, whose sum is σ = 40031402. Its totient is φ = 40031400.

The previous prime is 40031371. The next prime is 40031419. The reversal of 40031401 is 10413004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26163225 + 13868176 = 5115^2 + 3724^2 .

It is a cyclic number.

It is not a de Polignac number, because 40031401 - 2⁷ = 40031273 is a prime.

It is not a weakly prime, because it can be changed into another prime (40031491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20015700 + 20015701.

It is an arithmetic number, because the mean of its divisors is an integer number (20015701).

Almost surely, 2^40031401 is an apocalyptic number.

It is an amenable number.

40031401 is a deficient number, since it is larger than the sum of its proper divisors (1).

40031401 is an equidigital number, since it uses as much as digits as its factorization.

40031401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 40031401 is about 6327.0373003484. The cubic root of 40031401 is about 342.0846575190.

Adding to 40031401 its reverse (10413004), we get a palindrome (50444405).

The spelling of 40031401 in words is "forty million, thirty-one thousand, four hundred one".